Debian DLA-2414-1 : fastd security update

high Nessus Plugin ID 141872

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Synopsis

The remote Debian host is missing a security update.

Description

In fastd, a fast and secure tunnelling daemon, a receive buffer handling problem was discovered which allows a denial of service (memory exhaustion) when receiving packets with an invalid type code.

For Debian 9 stretch, this problem has been fixed in version 18-2+deb9u1.

We recommend that you upgrade your fastd packages.

For the detailed security status of fastd please refer to its security tracker page at: https://security-tracker.debian.org/tracker/fastd

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected fastd package.

Plugin Details

Severity: High

ID: 141872

File Name: debian_DLA-2414.nasl

Version: 1.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 10/26/2020

Updated: 2/14/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-27638

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:fastd, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 10/25/2020

Vulnerability Publication Date: 10/22/2020

Reference Information

CVE: CVE-2020-27638

Detections

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